chrome/browser/sessions/session_restore_android.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/sessions/session_restore.h"
   6
   7 #include <vector>
   8
   9 #include "base/memory/scoped_vector.h"
  10 #include "chrome/browser/android/tab_android.h"
  11 #include "chrome/browser/profiles/profile.h"
  12 #include "chrome/browser/ui/android/tab_model/tab_model.h"
  13 #include "chrome/browser/ui/android/tab_model/tab_model_list.h"
  14 #include "chrome/browser/ui/browser.h"
  15 #include "chrome/browser/ui/browser_finder.h"
  16 #include "components/sessions/content/content_serialized_navigation_builder.h"
  17 #include "components/sessions/session_types.h"
  18 #include "content/public/browser/navigation_controller.h"
  19 #include "content/public/browser/navigation_entry.h"
  20 #include "content/public/browser/web_contents.h"
  21
  22 // The android implementation does not do anything "foreign session" specific.
  23 // We use it to restore tabs from "recently closed" too.
  24 // static
  25 content::WebContents* SessionRestore::RestoreForeignSessionTab(
  26     content::WebContents* web_contents,
  27     const sessions::SessionTab& session_tab,
  28     WindowOpenDisposition disposition) {
  29   DCHECK(session_tab.navigations.size() > 0);
  30   content::BrowserContext* context = web_contents->GetBrowserContext();
  31   Profile* profile = Profile::FromBrowserContext(context);
  32   TabModel* tab_model = TabModelList::GetTabModelForWebContents(web_contents);
  33   DCHECK(tab_model);
  34   ScopedVector<content::NavigationEntry> scoped_entries =
  35       sessions::ContentSerializedNavigationBuilder::ToNavigationEntries(
  36           session_tab.navigations, profile);
  37   // NavigationController::Restore() expects to take ownership of the entries.
  38   std::vector<content::NavigationEntry*> entries;
  39   scoped_entries.release(&entries);
  40   content::WebContents* new_web_contents = content::WebContents::Create(
  41       content::WebContents::CreateParams(context));
  42   int selected_index = session_tab.normalized_navigation_index();
  43   new_web_contents->GetController().Restore(
  44       selected_index,
  45       content::NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY,
  46       &entries);
  47
  48   TabAndroid* current_tab = TabAndroid::FromWebContents(web_contents);
  49   DCHECK(current_tab);
  50   if (disposition == CURRENT_TAB) {
  51     current_tab->SwapTabContents(web_contents, new_web_contents, false, false);
  52     delete web_contents;
  53   } else {
  54     DCHECK(disposition == NEW_FOREGROUND_TAB ||
  55         disposition == NEW_BACKGROUND_TAB);
  56     tab_model->CreateTab(new_web_contents, current_tab->GetAndroidId());
  57   }
  58   return new_web_contents;
  59 }
  60
  61 // static
  62 std::vector<Browser*> SessionRestore::RestoreForeignSessionWindows(
  63     Profile* profile,
  64     chrome::HostDesktopType host_desktop_type,
  65     std::vector<const sessions::SessionWindow*>::const_iterator begin,
  66     std::vector<const sessions::SessionWindow*>::const_iterator end) {
  67   NOTREACHED();
  68   return std::vector<Browser*>();
  69 }